1991478240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:530

約数の個数: 288

約数和(自身を含む): 7058469600

約数和(自身を除く): 5066991360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 72, 80, 82, 89, 90, 96, 120, 123, 144, 160, 164, 178, 180, 205, 240, 246, 267, 288, 328, 356, 360, 369, 379, 410, 445, 480, 492, 534, 615, 656, 712, 720, 738, 758, 801, 820, 890, 984, 1068, 1137, 1230, 1312, 1335, 1424, 1440, 1476, 1516, 1602, 1640, 1780, 1845, 1895, 1968, 2136, 2274, 2460, 2670, 2848, 2952, 3032, 3204, 3280, 3411, 3560, 3649, 3690, 3790, 3936, 4005, 4272, 4548, 4920, 5340, 5685, 5904, 6064, 6408, 6560, 6822, 7120, 7298, 7380, 7580, 8010, 8544, 9096, 9840, 10680, 10947, 11370, 11808, 12128, 12816, 13644, 14240, 14596, 14760, 15160, 15539, 16020, 17055, 18192, 18245, 19680, 21360, 21894, 22740, 25632, 27288, 29192, 29520, 30320, 31078, 32040, 32841, 33731, 34110, 36384, 36490, 42720, 43788, 45480, 46617, 54576, 54735, 58384, 59040, 60640, 62156, 64080, 65682, 67462, 68220, 72980, 77695, 87576, 90960, 93234, 101193, 109152, 109470, 116768, 124312, 128160, 131364, 134924, 136440, 139851, 145960, 155390, 164205, 168655, 175152, 181920, 186468, 202386, 218940, 233085, 248624, 262728, 269848, 272880, 279702, 291920, 303579, 310780, 328410, 337310, 350304, 372936, 404772, 437880, 466170, 497248, 505965, 525456, 539696, 545760, 559404, 583840, 607158, 621560, 656820, 674620, 699255, 745872, 809544, 875760, 932340, 1011930, 1050912, 1079392, 1118808, 1214316, 1243120, 1313640, 1349240, 1382971, 1398510, 1491744, 1517895, 1619088, 1751520, 1864680, 2023860, 2237616, 2428632, 2486240, 2627280, 2698480, 2765942, 2797020, 3035790, 3238176, 3729360, 4047720, 4148913, 4475232, 4857264, 5254560, 5396960, 5531884, 5594040, 6071580, 6914855, 7458720, 8095440, 8297826, 9714528, 11063768, 11188080, 12143160, 12446739, 13829710, 16190880, 16595652, 20744565, 22127536, 22376160, 24286320, 24893478, 27659420, 33191304, 41489130, 44255072, 48572640, 49786956, 55318840, 62233695, 66382608, 82978260, 99573912, 110637680, 124467390, 132765216, 165956520, 199147824, 221275360, 248934780, 331913040, 398295648, 497869560, 663826080, 995739120, 1991478240]

約数ペア:

[(1, 1991478240), (2, 995739120), (3, 663826080), (4, 497869560), (5, 398295648), (6, 331913040), (8, 248934780), (9, 221275360), (10, 199147824), (12, 165956520), (15, 132765216), (16, 124467390), (18, 110637680), (20, 99573912), (24, 82978260), (30, 66382608), (32, 62233695), (36, 55318840), (40, 49786956), (41, 48572640), (45, 44255072), (48, 41489130), (60, 33191304), (72, 27659420), (80, 24893478), (82, 24286320), (89, 22376160), (90, 22127536), (96, 20744565), (120, 16595652), (123, 16190880), (144, 13829710), (160, 12446739), (164, 12143160), (178, 11188080), (180, 11063768), (205, 9714528), (240, 8297826), (246, 8095440), (267, 7458720), (288, 6914855), (328, 6071580), (356, 5594040), (360, 5531884), (369, 5396960), (379, 5254560), (410, 4857264), (445, 4475232), (480, 4148913), (492, 4047720), (534, 3729360), (615, 3238176), (656, 3035790), (712, 2797020), (720, 2765942), (738, 2698480), (758, 2627280), (801, 2486240), (820, 2428632), (890, 2237616), (984, 2023860), (1068, 1864680), (1137, 1751520), (1230, 1619088), (1312, 1517895), (1335, 1491744), (1424, 1398510), (1440, 1382971), (1476, 1349240), (1516, 1313640), (1602, 1243120), (1640, 1214316), (1780, 1118808), (1845, 1079392), (1895, 1050912), (1968, 1011930), (2136, 932340), (2274, 875760), (2460, 809544), (2670, 745872), (2848, 699255), (2952, 674620), (3032, 656820), (3204, 621560), (3280, 607158), (3411, 583840), (3560, 559404), (3649, 545760), (3690, 539696), (3790, 525456), (3936, 505965), (4005, 497248), (4272, 466170), (4548, 437880), (4920, 404772), (5340, 372936), (5685, 350304), (5904, 337310), (6064, 328410), (6408, 310780), (6560, 303579), (6822, 291920), (7120, 279702), (7298, 272880), (7380, 269848), (7580, 262728), (8010, 248624), (8544, 233085), (9096, 218940), (9840, 202386), (10680, 186468), (10947, 181920), (11370, 175152), (11808, 168655), (12128, 164205), (12816, 155390), (13644, 145960), (14240, 139851), (14596, 136440), (14760, 134924), (15160, 131364), (15539, 128160), (16020, 124312), (17055, 116768), (18192, 109470), (18245, 109152), (19680, 101193), (21360, 93234), (21894, 90960), (22740, 87576), (25632, 77695), (27288, 72980), (29192, 68220), (29520, 67462), (30320, 65682), (31078, 64080), (32040, 62156), (32841, 60640), (33731, 59040), (34110, 58384), (36384, 54735), (36490, 54576), (42720, 46617), (43788, 45480)]